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Merge pull request #75 from olysonek/defirqaffinity

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defirqaffinity: Handle errors when settig smp_affinity
This commit is contained in:
Jaroslav Škarvada 2017-10-11 18:33:22 +02:00 committed by GitHub
commit a31d9f9455
1 changed files with 14 additions and 8 deletions
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22
libexec/defirqaffinity.py
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@ -127,18 +127,24 @@ try:
except ValueError:
pass
ret = 0
for i in interruptdirs:
fname = irqpath + i + "/smp_affinity"
cpulist = parse_def_affinity(fname)
mask = 0
for i in cpulist:
mask = mask | 1 << i;
for i in fields:
for j in cpulist:
mask = mask | 1 << j;
for j in fields:
if sys.argv[1] == "add":
mask = mask | 1 << int(i);
mask = mask | 1 << int(j);
elif sys.argv[1] == "remove":
mask = mask & ~(1 << int(i));
mask = mask & ~(1 << int(j));
string = get_cpumask(mask)
fo = open(fname, "wb")
fo.write(string)
fo.close()
try:
fo = open(fname, "wb")
fo.write(string)
fo.close()
except IOError as e:
sys.stderr.write('Failed to set smp_affinity for IRQ %s: %s\n' % (str(i), str(e)))
ret = 1
sys.exit(ret)